locomotive bed中文什么意思

机车试验台

• locomotive:    n. 1.火车头，机车。 2.〔pl ...
• bed:    n. 1.床，床铺；床位，铺；(动物 ...
• locomotive testing bed:    机车试验台

百科释义

A locomotive bed is a one-piece steel casting for a steam locomotive that consists of the locomotive frame, the cylinders and valve chests, steam pipes, and smokebox saddle, all as a single component. It was a development of the final years of steam locomotive design in the United States.